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departures for Austria
git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@93 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach
parent
26b54f7bb5
commit
365164de29
3 changed files with 269 additions and 1 deletions
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@ -30,6 +30,7 @@ public final class NetworkProviderFactory
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private static Reference<BahnProvider> bahnProviderRef;
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private static Reference<MvvProvider> mvvProviderRef;
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private static Reference<SbbProvider> sbbProviderRef;
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private static Reference<OebbProvider> oebbProviderRef;
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public static synchronized NetworkProvider provider(final String networkId)
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{
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@ -98,6 +99,19 @@ public final class NetworkProviderFactory
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sbbProviderRef = new SoftReference<SbbProvider>(provider);
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return provider;
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}
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else if (networkId.equals(OebbProvider.NETWORK_ID))
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{
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if (oebbProviderRef != null)
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{
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final OebbProvider provider = oebbProviderRef.get();
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if (provider != null)
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return provider;
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}
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final OebbProvider provider = new OebbProvider();
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oebbProviderRef = new SoftReference<OebbProvider>(provider);
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return provider;
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}
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else
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{
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throw new IllegalArgumentException(networkId);
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@ -118,6 +132,8 @@ public final class NetworkProviderFactory
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return MvvProvider.NETWORK_ID;
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else if (provider instanceof SbbProvider)
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return SbbProvider.NETWORK_ID;
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else if (provider instanceof OebbProvider)
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return OebbProvider.NETWORK_ID;
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else
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throw new IllegalArgumentException(provider.getClass().toString());
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}
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252
src/de/schildbach/pte/OebbProvider.java
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252
src/de/schildbach/pte/OebbProvider.java
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@ -0,0 +1,252 @@
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package de.schildbach.pte;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import de.schildbach.pte.QueryDeparturesResult.Status;
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public class OebbProvider implements NetworkProvider
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{
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public static final String NETWORK_ID = "fahrplan.oebb.at";
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private static final long PARSER_DAY_ROLLOVER_THRESHOLD_MS = 12 * 60 * 60 * 1000;
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public boolean hasCapabilities(final Capability... capabilities)
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{
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throw new UnsupportedOperationException();
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}
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public List<String> autoCompleteStationName(final CharSequence constraint) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public StationLocationResult stationLocation(final String stationId) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public QueryConnectionsResult queryConnections(LocationType fromType, String from, LocationType viaType, String via, LocationType toType,
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String to, Date date, boolean dep) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public QueryConnectionsResult queryMoreConnections(final String uri) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public GetConnectionDetailsResult getConnectionDetails(final String connectionUri) throws IOException
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{
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throw new UnsupportedOperationException();
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}
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public String departuresQueryUri(final String stationId, final int maxDepartures)
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{
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final StringBuilder uri = new StringBuilder();
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uri.append("http://fahrplan.oebb.at/bin/stboard.exe/dn");
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uri.append("?input=").append(stationId);
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uri.append("&boardType=dep");
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uri.append("&productsFilter=111111111111");
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if (maxDepartures != 0)
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uri.append("&maxJourneys=").append(maxDepartures);
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uri.append("&start=yes");
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return uri.toString();
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}
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private static final Pattern P_DEPARTURES_HEAD_COARSE = Pattern.compile(".*?" //
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+ "(?:" //
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+ "<table class=\"hafasResult\".*?>(.+?)</table>.*?" //
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+ "(?:<table cellspacing=\"0\" class=\"hafasResult\".*?>(.+?)</table>|(verkehren an dieser Haltestelle keine))"//
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+ "|(Eingabe kann nicht interpretiert))" //
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+ ".*?" //
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, Pattern.DOTALL);
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private static final Pattern P_DEPARTURES_HEAD_FINE = Pattern.compile(".*?" //
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+ "<td class=\"querysummary screennowrap\">\\s*(.*?)\\s*<a.*?" // location
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+ "(\\d{2}\\.\\d{2}\\.\\d{2}).*?" // date
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+ "Abfahrt (\\d+:\\d+).*?" // time
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+ "%23(\\d+)&.*?" // locationId
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, Pattern.DOTALL);
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private static final Pattern P_DEPARTURES_COARSE = Pattern.compile("<tr class=\"depboard-\\w*\">(.*?)</tr>", Pattern.DOTALL);
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private static final Pattern P_DEPARTURES_FINE = Pattern.compile(".*?" //
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+ "<td class=\"[\\w ]*\">(\\d+:\\d+)</td>.*?" // time
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+ "<img src=\"/img/vs_oebb/(\\w+)_pic\\.gif\"\\s+alt=\".*?\">\\s*(.*?)\\s*</.*?" // type, line
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+ "<span class=\"bold\">\n?" //
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+ "<a href=\"http://fahrplan\\.oebb\\.at/bin/stboard\\.exe/dn\\?ld=web25&input=[^%]*?(?:%23(\\d+))?&.*?\">" // destinationId
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+ "\\s*(.*?)\\s*</a>\n?" // destination
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+ "</span>.*?" //
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+ "(?:<td class=\"center sepline top\">\\s*(.*?)\\s*</td>.*?)?" // other stop
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, Pattern.DOTALL);
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public QueryDeparturesResult queryDepartures(final String uri) throws IOException
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{
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// scrape page
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final CharSequence page = ParserUtils.scrape(uri);
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// parse page
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final Matcher mHeadCoarse = P_DEPARTURES_HEAD_COARSE.matcher(page);
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if (mHeadCoarse.matches())
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{
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// messages
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if (mHeadCoarse.group(3) != null)
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return new QueryDeparturesResult(uri, Status.NO_INFO);
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else if (mHeadCoarse.group(4) != null)
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return new QueryDeparturesResult(uri, Status.INVALID_STATION);
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final Matcher mHeadFine = P_DEPARTURES_HEAD_FINE.matcher(mHeadCoarse.group(1));
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if (mHeadFine.matches())
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{
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final String location = ParserUtils.resolveEntities(mHeadFine.group(1));
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final Date currentTime = ParserUtils.joinDateTime(ParserUtils.parseDate(mHeadFine.group(2)), ParserUtils
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.parseTime(mHeadFine.group(3)));
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final int stationId = Integer.parseInt(mHeadFine.group(4));
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final List<Departure> departures = new ArrayList<Departure>(8);
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final Matcher mDepCoarse = P_DEPARTURES_COARSE.matcher(mHeadCoarse.group(2));
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while (mDepCoarse.find())
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{
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final Matcher mDepFine = P_DEPARTURES_FINE.matcher(mDepCoarse.group(1));
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if (mDepFine.matches())
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{
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final String otherStop = mDepFine.group(6);
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if (otherStop == null || otherStop.contains(" "))
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{
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final Calendar current = new GregorianCalendar();
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current.setTime(currentTime);
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final Calendar parsed = new GregorianCalendar();
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parsed.setTime(ParserUtils.parseTime(mDepFine.group(1)));
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parsed.set(Calendar.YEAR, current.get(Calendar.YEAR));
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parsed.set(Calendar.MONTH, current.get(Calendar.MONTH));
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parsed.set(Calendar.DAY_OF_MONTH, current.get(Calendar.DAY_OF_MONTH));
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if (ParserUtils.timeDiff(parsed.getTime(), currentTime) < -PARSER_DAY_ROLLOVER_THRESHOLD_MS)
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parsed.add(Calendar.DAY_OF_MONTH, 1);
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final String lineType = mDepFine.group(2);
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final String line = normalizeLine(lineType, ParserUtils.resolveEntities(mDepFine.group(3)));
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final int destinationId = mDepFine.group(4) != null ? Integer.parseInt(mDepFine.group(4)) : 0;
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final String destination = ParserUtils.resolveEntities(mDepFine.group(5));
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final Departure dep = new Departure(parsed.getTime(), line, line != null ? LINES.get(line.charAt(0)) : null,
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destinationId, destination);
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if (!departures.contains(dep))
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departures.add(dep);
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}
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}
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else
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{
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throw new IllegalArgumentException("cannot parse '" + mDepCoarse.group(1) + "' on " + uri);
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}
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}
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return new QueryDeparturesResult(uri, stationId, location, currentTime, departures);
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}
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else
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{
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throw new IllegalArgumentException("cannot parse '" + mHeadCoarse.group(1) + "' on " + uri);
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}
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}
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else
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{
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throw new IllegalArgumentException("cannot parse '" + page + "' on " + uri);
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}
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}
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private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüß]+)[\\s-]*(.*)");
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private static String normalizeLine(final String type, final String line)
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{
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final Matcher m = P_NORMALIZE_LINE.matcher(line);
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final String strippedLine = m.matches() ? m.group(1) + m.group(2) : line;
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final char normalizedType = normalizeType(type);
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if (normalizedType != 0)
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return normalizedType + strippedLine;
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throw new IllegalStateException("cannot normalize type " + type + " line " + line);
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}
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private static char normalizeType(final String type)
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{
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final String ucType = type.toUpperCase();
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if (ucType.equals("OEC"))
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return 'I';
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if (ucType.equals("R"))
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return 'R';
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if (ucType.equals("REX"))
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return 'R';
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if (ucType.equals("EZ")) // Erlebniszug
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return 'R';
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if (ucType.equals("S"))
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return 'S';
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if (ucType.equals("U"))
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return 'U';
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if (ucType.equals("STR"))
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return 'T';
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if (ucType.equals("LKB"))
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return 'T';
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if (ucType.equals("BUS"))
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return 'B';
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if (ucType.equals("OBU"))
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return 'B';
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if (ucType.equals("AST"))
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return 'B';
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if (ucType.equals("ICB")) // ICBus
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return 'B';
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if (ucType.equals("SCH"))
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return 'F';
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if (ucType.equals("SB"))
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return 'C';
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if (ucType.equals("LIF"))
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return 'C';
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return 0;
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}
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private static final Map<Character, int[]> LINES = new HashMap<Character, int[]>();
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static
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{
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LINES.put('I', new int[] { Color.WHITE, Color.RED, Color.RED });
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LINES.put('R', new int[] { Color.GRAY, Color.WHITE });
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LINES.put('S', new int[] { Color.parseColor("#006e34"), Color.WHITE });
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LINES.put('U', new int[] { Color.parseColor("#003090"), Color.WHITE });
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LINES.put('T', new int[] { Color.parseColor("#cc0000"), Color.WHITE });
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LINES.put('B', new int[] { Color.parseColor("#993399"), Color.WHITE });
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LINES.put('F', new int[] { Color.BLUE, Color.WHITE });
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LINES.put('?', new int[] { Color.DKGRAY, Color.WHITE });
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}
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public int[] lineColors(final String line)
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{
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return LINES.get(line.charAt(0));
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}
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}
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@ -27,7 +27,7 @@ public final class QueryDeparturesResult
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{
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public enum Status
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{
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OK, NO_INFO, SERVICE_DOWN
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OK, NO_INFO, INVALID_STATION, SERVICE_DOWN
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}
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public final String uri;
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